http2: make read use pushchunk/popchunk, eschew itertools The itertools approach was showing up high in the profile output.

http2: track available data as it changes instead of recomputing it With a large amount of available data, this computation can become costly.

histedit-test: rename histedit-revspec into histedit-argument We have no testing for argument. This small file seems perfect once but needs a rename.

histedit-test: remove unnecessary graphlog extension Graphlog is now in core.

histedit-test: drop skip logic for older mercurial version We are shipped in core now.

hgweb: refactor checks for granting and revoking user permissions Provides an entry point for extensions implementing more complex authorization schemes. Original patch proposed by Markus Zapke-Gründemann.

check-code: add check for lock release order

parsers: fix variable declaration position issue

zsh_completion: complete all files for `commit/backout --logfile` Up until now commit/backout `--logfile` option was completed only with *.txt-files. This requirement is a bit too strong (and is nowhere to be stated) so it's better to complete with all files. Stolen from zsh.git repo, c5fce37b changeset by Oliver Kiddle.

transplant: improve documentation